<template>
	<div class="cmt-container">
		<h3>发表评论</h3>
		<hr>
		<textarea placeholder="请输入要BB的内容（最多吐槽120字）" maxlength="120"></textarea>
		<mt-button type="primary" size="large">发表评论</mt-button>

		<div class="cmt-list">
			<div class="cmt-item" v-for="(item,i) in comments" :key="item.title">
				<div class="cmt-title">
					第{{i+1}}楼&nbsp;&nbsp;用户：{{item.authors}}&nbsp;&nbsp;发表时间：2012-12-12 12:12:12
				</div>
				<div class="cmt-body">
					{{item.content === 'undefined' ? '此用户很懒，嘛都没说':item.content}}
				</div>
			</div>

		</div>

		<mt-button type="danger" size="large" plain @click="getMore">加载更多</mt-button>
	</div>
</template>

<script>

	import {Toast} from 'mint-ui'

export default{
	data(){
		return{
			pageIndex:1, //默认展示第一页数据
			comments:[] //所有的评论数据
		}
	},
	created(){
		this.getComments();
	},
	methods:{
		getComments(){ //获取评论
			this.$http.get('https://api.apiopen.top/getSongPoetry?page=' + this.pageIndex).then(result =>{
				if (result.body.code = 200) {
					//console.log(result);
					//this.comments = result.body.result;
					//每当获取新评论数据的时候，不要把老数据清空覆盖，而是应该以老数据，拼接上新数据
					this.comments = this.comments.concat(result.body.result);
				}else {
					Toast("获取评论失败！");
				}
			});
		},
		getMore(){ //加载更多
			this.pageIndex++;
			this.getComments();
		}
	}
}
	
</script>

<style lang="scss" scoped>

.cmt-container{
	h3{
		font-size: 18px;
	}
	textarea{
		font-size: 14px;
		height: 85px;
		margin: 0;
	}
	.cmt-list{
		margin: 5px 0;
		.cmt-item{
			font-size: 13px;
			.cmt-title{
				background-color: #ccc;
			}
		}
		.cmt-body{
			line-height: 35px;
			text-indent: 2em; //缩进
		}
	}
}
	
</style>